Fridge Freezer Thermometer

The easiest way to check if your fridge freezer is working well is to check the temperature isn’t too hot or cold. From an energy point of view, the ideal temperature in your fridge is between 3°C and 5°C, and between -15°C and -18°C in the freezer.

Depending on their size, age and energy rating, fridge freezers can use a significant amount of the electricity in your home. By checking they’re at the right temperature, you can make sure they’re not using more energy than they need to.

Put the thermometer on the middle shelf of your fridge, where you’ll get the most accurate results. Make sure it’s not touching anything but the shelf, and that no warm food has been put in the fridge. Wait half an hour (30 minutes) with the fridge door closed before checking the thermometer. 

Ideally, your fridge should be set between 3°C and 5°C and your freezer between -15°C and -18°C. If you find your fridge freezer is too cold it may be using too much energy.

To find out how you can make savings, see pages 20 – 23 of our guide to 100 Ways to Save Energy at Home.